問題詳情
【題組】39. According to the passage, if a scientist repeats an experiment several times and does not produce similar resultseach time, the experiment must be
(A)expedient
(B)invalid
(C)scientific
(D)accurate
參考答案
答案：B
難度：非常簡單1
統計：A(0),B(13),C(0),D(0),E(0)
用户評論
【Gary】評論
expedient a. 方便的；有利的